The P212C Code has a right and wrong meaning. The right meaning of the code is related with the car manufacturer. Due to use of the wrong meaning of the code, the automobile engineer add some new problem in the car engine. That is why, you should give the car to professional as if you can get a perfect car what has no any engine problem. The powertrain problem of the car engine is easy to solve and do not use the automobile dictionary meaning of the code for solving the car engine problem. However, you must not try to solve the problem by yourself.